AMELIA DIAMOND ENGAGEMENT PLATINUM RING BY MIKE NEKTA Center Diamond: Carat Weight: 5 Carats Color: D* Clarity: IF Style: OVAL BRILLIANT Approximate Measurements: 13.4 x 9.4 x 6.3 mm * This diamond has been treated by one or more processes to change its color. Ring: Metal: PLATINUM Size: Can be adjusted to any sizeBecause big moments deserve big diamonds, browse our most breathtaking pieces.